diff options
Diffstat (limited to 'src/test/ui/type-alias-impl-trait/reveal_local.rs')
-rw-r--r-- | src/test/ui/type-alias-impl-trait/reveal_local.rs | 25 |
1 files changed, 0 insertions, 25 deletions
diff --git a/src/test/ui/type-alias-impl-trait/reveal_local.rs b/src/test/ui/type-alias-impl-trait/reveal_local.rs deleted file mode 100644 index 7ecb55353..000000000 --- a/src/test/ui/type-alias-impl-trait/reveal_local.rs +++ /dev/null @@ -1,25 +0,0 @@ -#![feature(type_alias_impl_trait)] - -use std::fmt::Debug; - -type Foo = impl Debug; -//~^ ERROR cycle detected - -fn is_send<T: Send>() { } - -fn not_good() { - // Error: this function does not constrain `Foo` to any particular - // hidden type, so it cannot rely on `Send` being true. - is_send::<Foo>(); -} - -fn not_gooder() { - // Constrain `Foo = u32` - let x: Foo = 22_u32; - - // while we could know this from the hidden type, it would - // need extra roundabout logic to support it. - is_send::<Foo>(); -} - -fn main() {} |